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scanner: set errno=0 before strtol

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POSIX says to set errno=0 before calling strtol since
the return value alne cannot tell a failure.

on ubuntu armel I get:

  ../src/wayland-scanner client-header < ../../protocol/wayland.xml > wayland-client-protocol.h
  <stdin>:1188: error: invalid integer (2)

Signed-off-by: Adrian Negreanu <adrian.m.negreanu@intel.com>
This commit is contained in:
Adrian Negreanu 2013-12-17 13:48:54 +02:00 • committed by Kristian Høgsberg
parent 01bde6319f
commit cd0dccd01e
1 changed files with 1 additions and 0 deletions
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src/scanner.c
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@ -399,6 +399,7 @@ start_element(void *data, const char *element_name, const char **atts)
message->destructor = 0; message->destructor = 0;
if (since != NULL) { if (since != NULL) {
errno = 0;
version = strtol(since, &end, 0); version = strtol(since, &end, 0);
if (errno == EINVAL || end == since || *end != '\0') if (errno == EINVAL || end == since || *end != '\0')
fail(&ctx->loc, fail(&ctx->loc,