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Replace calls to strtok() with strtok_r()

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strtok() uses a static buffer, making it not thread safe.

Change-Id: Icce265153e1e65adafa8849334438ab6d190e541
This commit is contained in:
Sean Bright
2019-03-06 16:04:57 -05:00
parent 856f3e6895
commit 1cb6466268
3 changed files with 18 additions and 13 deletions
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5
channels/chan_sip.c
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@@ -11583,15 +11583,16 @@ static int process_sdp_a_text(const char *a, struct sip_pvt *p, struct ast_rtp_c
ast_verbose("Discarded description format %s for ID %u\n", mimeSubtype, codec);
}
} else if (!strncmp(a, red_fmtp, strlen(red_fmtp))) {
char *rest;
/* count numbers of generations in fmtp */
red_cp = &red_fmtp[strlen(red_fmtp)];
strncpy(red_fmtp, a, 100);
sscanf(red_cp, "%30u", (unsigned *)&red_data_pt[*red_num_gen]);
red_cp = strtok(red_cp, "/");
red_cp = strtok_r(red_cp, "/", &rest);
while (red_cp && (*red_num_gen)++ < AST_RED_MAX_GENERATION) {
sscanf(red_cp, "%30u", (unsigned *)&red_data_pt[*red_num_gen]);
red_cp = strtok(NULL, "/");
red_cp = strtok_r(NULL, "/", &rest);
}
red_cp = red_fmtp;
found = TRUE;