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openSUSE:12.1:Update
openmotif22-libs
openmotif-xpm.diff
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File openmotif-xpm.diff of Package openmotif22-libs
--- lib/Xm/XpmAttrib.c +++ lib/Xm/XpmAttrib.c @@ -41,7 +41,7 @@ #include "XpmI.h" /* 3.2 backward compatibility code */ -LFUNC(CreateOldColorTable, int, (XpmColor *ct, unsigned int ncolors, +LFUNC(CreateOldColorTable, int, (XpmColor *ct, int ncolors, XpmColor ***oldct)); LFUNC(FreeOldColorTable, void, (XpmColor **colorTable, int ncolors)); @@ -52,15 +52,12 @@ static int CreateOldColorTable(ct, ncolors, oldct) XpmColor *ct; - unsigned int ncolors; + int ncolors; XpmColor ***oldct; { XpmColor **colorTable, **color; int a; - if (ncolors >= SIZE_MAX / sizeof(XpmColor *)) - return XpmNoMemory; - colorTable = (XpmColor **) XpmMalloc(ncolors * sizeof(XpmColor *)); if (!colorTable) { *oldct = NULL; --- lib/Xm/XpmCrBufFrI.c +++ lib/Xm/XpmCrBufFrI.c @@ -43,20 +43,20 @@ #include "XpmI.h" -LFUNC(WriteColors, int, (char **dataptr, unsigned int *data_size, - unsigned int *used_size, XpmColor *colors, +LFUNC(WriteColors, int, (char **dataptr, size_t *data_size, + size_t *used_size, XpmColor *colors, unsigned int ncolors, unsigned int cpp)); -LFUNC(WritePixels, void, (char *dataptr, unsigned int *used_size, +LFUNC(WritePixels, void, (char *dataptr, size_t *used_size, unsigned int width, unsigned int height, unsigned int cpp, unsigned int *pixels, XpmColor *colors)); -LFUNC(WriteExtensions, void, (char *dataptr, unsigned int *used_size, +LFUNC(WriteExtensions, void, (char *dataptr, size_t *used_size, XpmExtension *ext, unsigned int num)); -LFUNC(ExtensionsSize, int, (XpmExtension *ext, unsigned int num)); -LFUNC(CommentsSize, int, (XpmInfo *info)); +LFUNC(ExtensionsSize, size_t, (XpmExtension *ext, unsigned int num)); +LFUNC(CommentsSize, size_t, (XpmInfo *info)); int XpmCreateBufferFromImage(display, buffer_return, image, shapeimage, attributes) @@ -113,10 +113,11 @@ /* calculation variables */ int ErrorStatus; char buf[BUFSIZ]; - unsigned int cmts, extensions, ext_size = 0; - unsigned int l, cmt_size = 0; + unsigned int cmts, extensions; + size_t ext_size = 0; + size_t l, cmt_size = 0; char *ptr = NULL, *p; - unsigned int ptr_size, used_size; + size_t ptr_size, used_size; *buffer_return = NULL; @@ -253,8 +254,8 @@ static int WriteColors(dataptr, data_size, used_size, colors, ncolors, cpp) char **dataptr; - unsigned int *data_size; - unsigned int *used_size; + size_t *data_size; + size_t *used_size; XpmColor *colors; unsigned int ncolors; unsigned int cpp; @@ -299,7 +300,7 @@ static void WritePixels(dataptr, used_size, width, height, cpp, pixels, colors) char *dataptr; - unsigned int *used_size; + size_t *used_size; unsigned int width; unsigned int height; unsigned int cpp; @@ -329,12 +330,13 @@ *used_size += s - dataptr; } -static int +static size_t ExtensionsSize(ext, num) XpmExtension *ext; unsigned int num; { - unsigned int x, y, a, size; + unsigned int x, y, a; + size_t size; char **line; size = 0; @@ -353,7 +355,7 @@ static void WriteExtensions(dataptr, used_size, ext, num) char *dataptr; - unsigned int *used_size; + size_t *used_size; XpmExtension *ext; unsigned int num; { @@ -384,11 +386,11 @@ *used_size += s - dataptr + 13; } -static int +static size_t CommentsSize(info) XpmInfo *info; { - int size = 0; + size_t size = 0; /* 5 = 2 (for "/_*") + 3 (for "*_/\n") */ if (info->hints_cmt) --- lib/Xm/XpmCrDatFrI.c +++ lib/Xm/XpmCrDatFrI.c @@ -134,8 +134,6 @@ */ header_nlines = 1 + image->ncolors; header_size = sizeof(char *) * header_nlines; - if (header_size >= SIZE_MAX / sizeof(char *)) - return (XpmNoMemory); header = (char **) XpmCalloc(header_size, sizeof(char *)); if (!header) return (XpmNoMemory); --- lib/Xm/XpmI.h +++ lib/Xm/XpmI.h @@ -179,26 +179,14 @@ boundCheckingCalloc((long)(nelem),(long) (elsize)) #endif -#if defined(SCO) || defined(__USLC__) -#include <stdint.h> /* For SIZE_MAX */ -#endif -#include <limits.h> -#ifndef SIZE_MAX -# ifdef ULONG_MAX -# define SIZE_MAX ULONG_MAX -# else -# define SIZE_MAX UINT_MAX -# endif -#endif - #define XPMMAXCMTLEN BUFSIZ typedef struct { unsigned int type; union { FILE *file; - char **data; + unsigned char **data; } stream; - char *cptr; + unsigned char *cptr; unsigned int line; int CommentLength; char Comment[XPMMAXCMTLEN]; @@ -288,9 +276,9 @@ } *xpmHashAtom; typedef struct { - unsigned int size; - unsigned int limit; - unsigned int used; + int size; + int limit; + int used; xpmHashAtom *atomTable; } xpmHashTable; --- lib/Xm/XpmRdFToI.c +++ lib/Xm/XpmRdFToI.c @@ -124,6 +124,27 @@ return (ErrorStatus); } + +/* Quote filename and prepend prefix. */ +static char *quote_file(prefix, filename, len) + const char *prefix, *filename; + size_t len; +{ + char *buf = XpmMalloc(strlen(prefix) + len * 2 + 1); + char *p = buf, *q; + + if (!buf) + return 0; + strcpy(p, prefix); + p += strlen(p); + for (q = filename; *q; q++) { + *p++ = '\\'; + *p++ = *q; + } + return buf; +} + + /* * open the given file to be read as an xpmData which is returned. */ @@ -133,7 +154,7 @@ xpmData *mdata; { #ifndef NO_ZPIPE - char *compressfile, buf[(2*MAXPATHLEN) + 1]; + char *compressfile, *buf; # ifdef STAT_ZFILE struct stat status; # endif @@ -144,17 +165,25 @@ mdata->type = XPMFILE; } else { #ifndef NO_ZPIPE - int len = strlen(filename); + size_t len = strlen(filename); if ((len > 2) && !strcmp(".Z", filename + (len - 2))) { mdata->type = XPMPIPE; - sprintf(buf, "uncompress -c \"%s\"", filename); - if (!(mdata->stream.file = popen(buf, "r"))) + buf = quote_file("uncompress -c ", filename, len); + if (!buf) + return (XpmNoMemory); + mdata->stream.file = popen(buf, "r"); + XpmFree(buf); + if (!mdata->stream.file) return (XpmOpenFailed); } else if ((len > 3) && !strcmp(".gz", filename + (len - 3))) { mdata->type = XPMPIPE; - sprintf(buf, "gunzip -qc \"%s\"", filename); - if (!(mdata->stream.file = popen(buf, "r"))) + buf = quote_file("gunzip -qc ", filename, len); + if (!buf) + return (XpmNoMemory); + mdata->stream.file = popen(buf, "r"); + XpmFree(buf); + if (!mdata->stream.file) return (XpmOpenFailed); } else { @@ -164,28 +193,32 @@ sprintf(compressfile, "%s.Z", filename); if (!stat(compressfile, &status)) { - sprintf(buf, "uncompress -c \"%s\"", compressfile); - if (!(mdata->stream.file = popen(buf, "r"))) { - XpmFree(compressfile); + buf = quote_file("uncompress -c ", compressfile, len + 2); + XpmFree(compressfile); + if (!buf) + return (XpmNoMemory); + mdata->stream.file = popen(buf, "r"); + XpmFree(buf); + if (!mdata->stream.file) return (XpmOpenFailed); - } mdata->type = XPMPIPE; } else { sprintf(compressfile, "%s.gz", filename); if (!stat(compressfile, &status)) { - sprintf(buf, "gunzip -c \"%s\"", compressfile); - if (!(mdata->stream.file = popen(buf, "r"))) { - XpmFree(compressfile); + buf = quote_file("gunzip -c ", compressfile, len + 3); + XpmFree(compressfile); + if (!buf) + return (XpmNoMemory); + mdata->stream.file = popen(buf, "r"); + XpmFree(buf); + if (!mdata->stream.file) return (XpmOpenFailed); - } mdata->type = XPMPIPE; } else { + XpmFree(compressfile); # endif #endif if (!(mdata->stream.file = fopen(filename, "r"))) { -#if !defined(NO_ZPIPE) && defined(STAT_ZFILE) - XpmFree(compressfile); -#endif return (XpmOpenFailed); } mdata->type = XPMFILE; @@ -193,7 +226,6 @@ # ifdef STAT_ZFILE } } - XpmFree(compressfile); # endif } #endif --- lib/Xm/XpmWrFFrI.c +++ lib/Xm/XpmWrFFrI.c @@ -117,7 +117,8 @@ #endif /* let's try to make a valid C syntax name */ if ((dot = index(name, '.'))) { - strcpy(new_name, name); + strncpy(new_name, name, sizeof(new_name)); + new_name[sizeof(new_name) - 1] = 0; /* change '.' to '_' */ name = s = new_name; while ((dot = index(s, '.'))) { @@ -127,7 +128,8 @@ } if ((dot = index(name, '-'))) { if (name != new_name) { - strcpy(new_name, name); + strncpy(new_name, name, sizeof(new_name)); + new_name[sizeof(new_name) - 1] = 0; name = new_name; } /* change '-' to '_' */ @@ -243,10 +245,13 @@ char *s, *p, *buf; unsigned int x, y, h; + if (height == 0) + return XpmFileInvalid; + h = height - 1; - if (cpp != 0 && width >= (SIZE_MAX - 3)/cpp) + if (cpp != 0 && width >= ((size_t)-1 - 3)/cpp) return XpmNoMemory; - p = buf = (char *) XpmMalloc(width * cpp + 3); + p = buf = (char *) XpmMalloc((size_t)width * cpp + 3); if (!buf) return (XpmNoMemory); *buf = '"'; @@ -293,6 +298,25 @@ fprintf(file, ",\n\"XPMENDEXT\""); } +/* Quote filename and prepend prefix. */ +static char *quote_file(prefix, filename, len) + const char *prefix, *filename; + size_t len; +{ + char *buf = XpmMalloc(strlen(prefix) + len * 2 + 1); + char *p = buf, *q; + + if (!buf) + return 0; + strcpy(p, prefix); + p += strlen(p); + for (q = filename; *q; q++) { + *p++ = '\\'; + *p++ = *q; + } + return buf; +} + /* * open the given file to be written as an xpmData which is returned */ @@ -302,7 +326,7 @@ xpmData *mdata; { #ifndef NO_ZPIPE - char buf[BUFSIZ]; + char *buf; #endif @@ -311,16 +335,24 @@ mdata->type = XPMFILE; } else { #ifndef NO_ZPIPE - int len = strlen(filename); + size_t len = strlen(filename); if (len > 2 && !strcmp(".Z", filename + (len - 2))) { - sprintf(buf, "compress > \"%s\"", filename); - if (!(mdata->stream.file = popen(buf, "w"))) + buf = quote_file("compress > ", filename, len); + if (!buf) + return XpmNoMemory; + mdata->stream.file = popen(buf, "w"); + XpmFree(buf); + if (!mdata->stream.file) return (XpmOpenFailed); mdata->type = XPMPIPE; } else if (len > 3 && !strcmp(".gz", filename + (len - 3))) { - sprintf(buf, "gzip -q > \"%s\"", filename); - if (!(mdata->stream.file = popen(buf, "w"))) + buf = quote_file("gzip -q > ", filename, len); + if (!buf) + return XpmNoMemory; + mdata->stream.file = popen(buf, "w"); + XpmFree(buf); + if (!mdata->stream.file) return (XpmOpenFailed); mdata->type = XPMPIPE; --- lib/Xm/Xpmcreate.c +++ lib/Xm/Xpmcreate.c @@ -804,9 +804,6 @@ ErrorStatus = XpmSuccess; - if (image->ncolors >= SIZE_MAX / sizeof(Pixel)) - return (XpmNoMemory); - /* malloc pixels index tables */ image_pixels = (Pixel *) XpmMalloc(sizeof(Pixel) * image->ncolors); if (!image_pixels) @@ -950,8 +947,6 @@ return (XpmNoMemory); #ifndef FOR_MSW - if (height != 0 && (*image_return)->bytes_per_line >= SIZE_MAX / height) - return (XpmNoMemory); /* now that bytes_per_line must have been set properly alloc data */ (*image_return)->data = (char *) XpmMalloc((*image_return)->bytes_per_line * height); @@ -1997,9 +1992,6 @@ xpmGetCmt(data, &colors_cmt); /* malloc pixels index tables */ - if (ncolors >= SIZE_MAX / sizeof(Pixel)) - return XpmNoMemory; - image_pixels = (Pixel *) XpmMalloc(sizeof(Pixel) * ncolors); if (!image_pixels) RETURN(XpmNoMemory); @@ -2215,9 +2207,6 @@ { unsigned short colidx[256]; - if (ncolors > 256) - return (XpmFileInvalid); - bzero((char *)colidx, 256 * sizeof(short)); for (a = 0; a < ncolors; a++) colidx[(unsigned char)colorTable[a].string[0]] = a + 1; @@ -2316,9 +2305,6 @@ char *s; char buf[BUFSIZ]; - if (cpp >= sizeof(buf)) - return (XpmFileInvalid); - buf[cpp] = '\0'; if (USE_HASHTABLE) { xpmHashAtom *slot; --- lib/Xm/Xpmdata.c +++ lib/Xm/Xpmdata.c @@ -297,7 +297,7 @@ if (!mdata->type || mdata->type == XPMBUFFER) { if (mdata->cptr) { - char *start = mdata->cptr; + unsigned char *start = mdata->cptr; while ((c = *mdata->cptr) && c != mdata->Eos) mdata->cptr++; n = mdata->cptr - start + 1; @@ -376,7 +376,7 @@ { if (!mdata->type) *cmt = NULL; - else if (mdata->CommentLength != 0 && mdata->CommentLength < SIZE_MAX - 1) { + else if (mdata->CommentLength) { *cmt = (char *) XpmMalloc(mdata->CommentLength + 1); strncpy(*cmt, mdata->Comment, mdata->CommentLength); (*cmt)[mdata->CommentLength] = '\0'; --- lib/Xm/Xpmhashtab.c +++ lib/Xm/Xpmhashtab.c @@ -141,17 +141,17 @@ xpmHashTable *table; { xpmHashAtom *atomTable = table->atomTable; - unsigned int size = table->size; + int size = table->size; xpmHashAtom *t, *p; int i; int oldSize = size; t = atomTable; HASH_TABLE_GROWS - table->size = size; - table->limit = size / 3; - if (size >= SIZE_MAX / sizeof(*atomTable)) + if (size <= 0) return (XpmNoMemory); + table->size = size; + table->limit = size / 3; atomTable = (xpmHashAtom *) XpmMalloc(size * sizeof(*atomTable)); if (!atomTable) return (XpmNoMemory); @@ -212,8 +212,6 @@ table->size = INITIAL_HASH_SIZE; table->limit = table->size / 3; table->used = 0; - if (table->size >= SIZE_MAX / sizeof(*atomTable)) - return (XpmNoMemory); atomTable = (xpmHashAtom *) XpmMalloc(table->size * sizeof(*atomTable)); if (!atomTable) return (XpmNoMemory); --- lib/Xm/Xpmmisc.c +++ lib/Xm/Xpmmisc.c @@ -52,7 +52,7 @@ char *s1; { char *s2; - int l = strlen(s1) + 1; + size_t l = strlen(s1) + 1; if (s2 = (char *) XpmMalloc(l)) strcpy(s2, s1); --- lib/Xm/Xpmparse.c +++ lib/Xm/Xpmparse.c @@ -46,25 +46,6 @@ #include "XpmI.h" #include <ctype.h> -#include <string.h> - -#ifdef HAS_STRLCAT -# define STRLCAT(dst, src, dstsize) { \ - if (strlcat(dst, src, dstsize) >= (dstsize)) \ - return (XpmFileInvalid); } -# define STRLCPY(dst, src, dstsize) { \ - if (strlcpy(dst, src, dstsize) >= (dstsize)) \ - return (XpmFileInvalid); } -#else -# define STRLCAT(dst, src, dstsize) { \ - if ((strlen(dst) + strlen(src)) < (dstsize)) \ - strcat(dst, src); \ - else return (XpmFileInvalid); } -# define STRLCPY(dst, src, dstsize) { \ - if (strlen(src) < (dstsize)) \ - strcpy(dst, src); \ - else return (XpmFileInvalid); } -#endif LFUNC(ParsePixels, int, (xpmData *data, unsigned int width, unsigned int height, unsigned int ncolors, @@ -234,7 +215,7 @@ unsigned int *extensions; { unsigned int l; - char buf[BUFSIZ + 1]; + char buf[BUFSIZ]; if (!data->format) { /* XPM 2 or 3 */ @@ -332,6 +313,17 @@ *hotspot = 0; *extensions = 0; } + + /* Do some plausibility checks. */ + if (*width == 0 || *height == 0 || *ncolors == 0 || *cpp == 0) + return XpmFileInvalid; + if (*cpp > 8) + return XpmFileInvalid; + if (*width > (1 << (sizeof(int) * 8 - 4)) / *height) + return XpmFileInvalid; + if (*ncolors > (1 << (sizeof(int) * 8 - 4)) / (*width * *height)) + return XpmFileInvalid; + return (XpmSuccess); } @@ -343,10 +335,10 @@ XpmColor **colorTablePtr; xpmHashTable *hashtable; { - unsigned int key, l, a, b, len; + unsigned int key, l, a, b; unsigned int curkey; /* current color key */ unsigned int lastwaskey; /* key read */ - char buf[BUFSIZ + 1]; + char buf[BUFSIZ]; char curbuf[BUFSIZ]; /* current buffer */ char **sptr, *s; XpmColor *color; @@ -354,8 +346,6 @@ char **defaults; int ErrorStatus; - if (ncolors >= SIZE_MAX / sizeof(XpmColor)) - return (XpmNoMemory); colorTable = (XpmColor *) XpmCalloc(ncolors, sizeof(XpmColor)); if (!colorTable) return (XpmNoMemory); @@ -367,10 +357,6 @@ /* * read pixel value */ - if (cpp >= SIZE_MAX - 1) { - xpmFreeColorTable(colorTable, ncolors); - return (XpmNoMemory); - } color->string = (char *) XpmMalloc(cpp + 1); if (!color->string) { xpmFreeColorTable(colorTable, ncolors); @@ -408,14 +394,13 @@ } if (!lastwaskey && key < NKEYS) { /* open new key */ if (curkey) { /* flush string */ - len = strlen(curbuf) + 1; - s = (char *) XpmMalloc(len); + s = (char *) XpmMalloc(strlen(curbuf) + 1); if (!s) { xpmFreeColorTable(colorTable, ncolors); return (XpmNoMemory); } defaults[curkey] = s; - memcpy(s, curbuf, len); + strcpy(s, curbuf); } curkey = key + 1; /* set new key */ *curbuf = '\0'; /* reset curbuf */ @@ -425,10 +410,14 @@ xpmFreeColorTable(colorTable, ncolors); return (XpmFileInvalid); } + if (strlen(curbuf) + l + 2 >= sizeof(curbuf)) { + xpmFreeColorTable(colorTable, ncolors); + return (XpmNoMemory); + } if (!lastwaskey) - STRLCAT(curbuf, " ", sizeof(curbuf)); /* append space */ + strcat(curbuf, " "); /* append space */ buf[l] = '\0'; - STRLCAT(curbuf, buf, sizeof(curbuf));/* append buf */ + strcat(curbuf, buf);/* append buf */ lastwaskey = 0; } } @@ -436,13 +425,12 @@ xpmFreeColorTable(colorTable, ncolors); return (XpmFileInvalid); } - len = strlen(curbuf) + 1; - s = defaults[curkey] = (char *) XpmMalloc(len); + s = defaults[curkey] = (char *) XpmMalloc(strlen(curbuf) + 1); if (!s) { xpmFreeColorTable(colorTable, ncolors); return (XpmNoMemory); } - memcpy(s, curbuf, len); + strcpy(s, curbuf); } } else { /* XPM 1 */ /* get to the beginning of the first string */ @@ -455,10 +443,6 @@ /* * read pixel value */ - if (cpp >= SIZE_MAX - 1) { - xpmFreeColorTable(colorTable, ncolors); - return (XpmNoMemory); - } color->string = (char *) XpmMalloc(cpp + 1); if (!color->string) { xpmFreeColorTable(colorTable, ncolors); @@ -486,18 +470,21 @@ xpmNextString(data); /* get to the next string */ *curbuf = '\0'; /* init curbuf */ while ((l = xpmNextWord(data, buf, BUFSIZ))) { + if (strlen(curbuf) + l + 2 >= sizeof(curbuf)) { + xpmFreeColorTable(colorTable, ncolors); + return (XpmNoMemory); + } if (*curbuf != '\0') - STRLCAT(curbuf, " ", sizeof(curbuf));/* append space */ + strcat(curbuf, " ");/* append space */ buf[l] = '\0'; - STRLCAT(curbuf, buf, sizeof(curbuf)); /* append buf */ + strcat(curbuf, buf); /* append buf */ } - len = strlen(curbuf) + 1; - s = (char *) XpmMalloc(len); + s = (char *) XpmMalloc(strlen(curbuf) + 1); if (!s) { xpmFreeColorTable(colorTable, ncolors); return (XpmNoMemory); } - memcpy(s, curbuf, len); + strcpy(s, curbuf); color->c_color = s; *curbuf = '\0'; /* reset curbuf */ if (a < ncolors - 1) @@ -522,9 +509,6 @@ unsigned int *iptr, *iptr2; unsigned int a, x, y; - if ((height > 0 && width >= SIZE_MAX / height) || - width * height >= SIZE_MAX / sizeof(unsigned int)) - return XpmNoMemory; #ifndef FOR_MSW iptr2 = (unsigned int *) XpmMalloc(sizeof(unsigned int) * width * height); #else @@ -548,9 +532,6 @@ { unsigned short colidx[256]; - if (ncolors > 256) - return (XpmFileInvalid); - bzero((char *)colidx, 256 * sizeof(short)); for (a = 0; a < ncolors; a++) colidx[(unsigned char)colorTable[a].string[0]] = a + 1; @@ -585,7 +566,7 @@ bzero((char *)cidx, 256 * sizeof(unsigned short *)); /* init */ for (a = 0; a < ncolors; a++) { - char1 = colorTable[a].string[0]; + char1 = (unsigned char)colorTable[a].string[0]; if (cidx[char1] == NULL) { /* get new memory */ cidx[char1] = (unsigned short *) XpmCalloc(256, sizeof(unsigned short)); @@ -628,9 +609,6 @@ char *s; char buf[BUFSIZ]; - if (cpp >= sizeof(buf)) - return (XpmFileInvalid); - buf[cpp] = '\0'; if (USE_HASHTABLE) { xpmHashAtom *slot; --- lib/Xm/Xpmscan.c +++ lib/Xm/Xpmscan.c @@ -98,8 +98,7 @@ LFUNC(ScanTransparentColor, int, (XpmColor *color, unsigned int cpp, XpmAttributes *attributes)); -LFUNC(ScanOtherColors, int, (Display *display, XpmColor *colors, - unsigned int ncolors, +LFUNC(ScanOtherColors, int, (Display *display, XpmColor *colors, int ncolors, Pixel *pixels, unsigned int mask, unsigned int cpp, XpmAttributes *attributes)); @@ -226,17 +225,11 @@ else cpp = 0; - if ((height > 0 && width >= SIZE_MAX / height) || - width * height >= SIZE_MAX / sizeof(unsigned int)) - RETURN(XpmNoMemory); pmap.pixelindex = (unsigned int *) XpmCalloc(width * height, sizeof(unsigned int)); if (!pmap.pixelindex) RETURN(XpmNoMemory); - if (pmap.size >= SIZE_MAX / sizeof(Pixel)) - RETURN(XpmNoMemory); - pmap.pixels = (Pixel *) XpmMalloc(sizeof(Pixel) * pmap.size); if (!pmap.pixels) RETURN(XpmNoMemory); @@ -291,8 +284,7 @@ * get rgb values and a string of char, and possibly a name for each * color */ - if (pmap.ncolors >= SIZE_MAX / sizeof(XpmColor)) - RETURN(XpmNoMemory); + colorTable = (XpmColor *) XpmCalloc(pmap.ncolors, sizeof(XpmColor)); if (!colorTable) RETURN(XpmNoMemory); @@ -340,8 +332,6 @@ /* first get a character string */ a = 0; - if (cpp >= SIZE_MAX - 1) - return (XpmNoMemory); if (!(s = color->string = (char *) XpmMalloc(cpp + 1))) return (XpmNoMemory); *s++ = printable[c = a % MAXPRINTABLE]; @@ -389,7 +379,7 @@ ScanOtherColors(display, colors, ncolors, pixels, mask, cpp, attributes) Display *display; XpmColor *colors; - unsigned int ncolors; + int ncolors; Pixel *pixels; unsigned int mask; unsigned int cpp; @@ -433,8 +423,6 @@ } /* first get character strings and rgb values */ - if (ncolors >= SIZE_MAX / sizeof(XColor) || cpp >= SIZE_MAX - 1) - return (XpmNoMemory); xcolors = (XColor *) XpmMalloc(sizeof(XColor) * ncolors); if (!xcolors) return (XpmNoMemory);
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