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This commit is contained in:
Gabriele Cosmo
2016-06-10 14:11:04 +02:00
parent c9b32a6c0a
commit d4af681f38
4886 changed files with 420149 additions and 1023309 deletions
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source/externals/zlib/src/gzlib.cc
Vendored
+23 -9
View File
@@ -1,5 +1,5 @@
/* gzlib.c -- zlib functions common to reading and writing gzip files
* Copyright (C) 2004, 2010, 2011, 2012 Mark Adler
* Copyright (C) 2004, 2010, 2011, 2012, 2013 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@@ -157,8 +157,10 @@ local gzFile gz_open(const void *path,int fd, const char *mode)
break;
case 'F':
state->strategy = Z_FIXED;
break;
case 'T':
state->direct = 1;
break;
default: /* could consider as an error, but just ignore */
;
}
@@ -203,7 +205,11 @@ local gzFile gz_open(const void *path,int fd, const char *mode)
*(state->path) = 0;
else
#endif
strcpy(state->path, (const char *)path);
#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
snprintf(state->path, len + 1, "%s", (const char *)path);
#else
strcpy(state->path, path);
#endif
/* compute the flags for open() */
oflag =
@@ -273,7 +279,11 @@ gzFile ZEXPORT gzdopen(int fd, const char *mode)
if (fd == -1 || (path = (char *)malloc(7 + 3 * sizeof(int))) == NULL)
return NULL;
#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
snprintf(path, 7 + 3 * sizeof(int), "<fd:%d>", fd); /* for debugging */
#else
sprintf(path, "<fd:%d>", fd); /* for debugging */
#endif
gz = gz_open(path, fd, mode);
free(path);
return gz;
@@ -502,7 +512,8 @@ const char * ZEXPORT gzerror(gzFile file, int *errnum)
/* return error information */
if (errnum != NULL)
*errnum = state->err;
return state->msg == NULL ? "" : state->msg;
return state->err == Z_MEM_ERROR ? "out of memory" :
(state->msg == NULL ? "" : state->msg);
}
/* -- see zlib.h -- */
@@ -549,21 +560,24 @@ void ZLIB_INTERNAL gz_error(gz_statep state, int err, const char *msg)
if (msg == NULL)
return;
/* for an out of memory error, save as static string */
if (err == Z_MEM_ERROR) {
state->msg = (char *)msg;
/* for an out of memory error, return literal string when requested */
if (err == Z_MEM_ERROR)
return;
}
/* construct error message with path */
if ((state->msg = (char *)malloc(strlen(state->path) + strlen(msg) + 3)) == NULL) {
if ((state->msg = (char *)malloc(strlen(state->path) + strlen(msg) + 3)) ==
NULL) {
state->err = Z_MEM_ERROR;
state->msg = (char *)"out of memory";
return;
}
#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
snprintf(state->msg, strlen(state->path) + strlen(msg) + 3,
"%s%s%s", state->path, ": ", msg);
#else
strcpy(state->msg, state->path);
strcat(state->msg, ": ");
strcat(state->msg, msg);
#endif
return;
}