96ba2da40c
The library is now named "maxtest". The related include-files are, for now, usable without designating the full include path. This may be changed later, but would require modifying every test.
62 lines
1.2 KiB
C++
62 lines
1.2 KiB
C++
#include <string.h>
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#include <string>
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#include "envv.h"
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char * readenv(const char * name, const char *format, ...)
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{
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char * env = getenv(name);
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if (!env)
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{
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va_list valist;
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va_start(valist, format);
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int message_len = vsnprintf(NULL, 0, format, valist);
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va_end(valist);
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if (message_len < 0)
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{
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return NULL;
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}
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env = (char*)malloc(message_len + 1);
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va_start(valist, format);
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vsnprintf(env, message_len + 1, format, valist);
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va_end(valist);
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setenv(name, env, 1);
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}
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return env;
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}
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int readenv_int(const char * name, int def)
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{
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int x;
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char * env = getenv(name);
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if (env)
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{
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sscanf(env, "%d", &x);
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}
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else
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{
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x = def;
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setenv(name, (std::to_string(x).c_str()), 1);
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}
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return x;
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}
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bool readenv_bool(const char * name, bool def)
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{
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char * env = getenv(name);
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if (env)
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{
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return ((strcasecmp(env, "yes") == 0) ||
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(strcasecmp(env, "y") == 0) ||
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(strcasecmp(env, "true") == 0));
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}
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else
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{
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setenv(name, def ? "true" : "false", 1);
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return def;
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}
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}
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