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util/env: make env_parse_switch() return a size_t

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This function is guaranteed to never return a negative value.

This is important because we use arr[env_parse_switch(...)] in a
few places.
This commit is contained in:
Simon Ser 2022-12-06 11:43:26 +01:00
parent dc09585d14
commit d72b4409ce
2 changed files with 2 additions and 2 deletions
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2
include/util/env.h
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@ -18,6 +18,6 @@ bool env_parse_bool(const char *option);
* *
* switches is a NULL-terminated array. * switches is a NULL-terminated array.
*/ */
ssize_t env_parse_switch(const char *option, const char **switches); size_t env_parse_switch(const char *option, const char **switches);
#endif #endif

2
util/env.c
View file

@ -19,7 +19,7 @@ bool env_parse_bool(const char *option) {
return false; return false;
} }
ssize_t env_parse_switch(const char *option, const char **switches) { size_t env_parse_switch(const char *option, const char **switches) {
const char *env = getenv(option); const char *env = getenv(option);
if (env) { if (env) {
wlr_log(WLR_INFO, "Loading %s option: %s", option, env); wlr_log(WLR_INFO, "Loading %s option: %s", option, env);