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Oracle Solaris Studio 12.3: C User's Guide     Oracle Solaris Studio 12.3 Information Library
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1.  Introduction to the C Compiler

2.  C-Compiler Implementation-Specific Information

3.  Parallelizing C Code

4.  lint Source Code Checker

4.1 Basic and Enhanced lint Modes

4.2 Using lint

4.3 lint Command-Line Options

4.3.1 -#

4.3.2 -###

4.3.3 -a

4.3.4 -b

4.3.5 -C filename

4.3.6 -c

4.3.7 -dirout=dir

4.3.8 -err=warn

4.3.9 -errchk=l(, l)

4.3.10 -errfmt=f

4.3.11 -errhdr=h

4.3.12 -erroff=tag(, tag)

4.3.13 -errsecurity=level

4.3.14 -errtags=a

4.3.15 -errwarn=t

4.3.16 -F

4.3.17 -fd

4.3.18 -flagsrc=file

4.3.19 -h

4.3.20 -Idir

4.3.21 -k

4.3.22 -Ldir

4.3.23 -lx

4.3.24 -m

4.3.25 -m32|-m64

4.3.26 -Ncheck=c

4.3.27 -Nlevel=n -Nlevel=1 -Nlevel=2 -Nlevel=3 -Nlevel=4

4.3.28 -n

4.3.29 -ox

4.3.30 -p

4.3.31 -Rfile

4.3.32 -s

4.3.33 -u

4.3.34 -V

4.3.35 -v

4.3.36 -Wfile

4.3.37 -XCC=a

4.3.38 -Xalias_level[=l]

4.3.39 -Xarch=amd64

4.3.40 -Xarch=v9

4.3.41 -Xc99[=o]

4.3.42 -Xkeeptmp=a

4.3.43 -Xtemp=dir

4.3.44 -Xtime=a

4.3.45 -Xtransition=a

4.3.46 -Xustr={ascii_utf16_ushort|no}

4.3.47 -x

4.3.48 -y

4.4 lint Messages

4.4.1 Options to Suppress Messages

4.4.2 lint Message Formats

4.5 lint Directives

4.5.1 Predefined Values

4.5.2 Directives

4.6 lint Reference and Examples

4.6.1 Diagnostics Performed by lint Consistency Checks Portability Checks Questionable Constructs

4.6.2 lint Libraries

4.6.3 lint Filters

5.  Type-Based Alias Analysis

6.  Transitioning to ISO C

7.  Converting Applications for a 64-Bit Environment

8.  cscope: Interactively Examining a C Program

A.  Compiler Options Grouped by Functionality

B.  C Compiler Options Reference

C.  Implementation-Defined ISO/IEC C99 Behavior

D.  Features of C99

E.  Implementation-Defined ISO/IEC C90 Behavior

F.  ISO C Data Representations

G.  Performance Tuning

H.  Oracle Solaris Studio C: Differences Between K&R C and ISO C


4.1 Basic and Enhanced lint Modes

The lint program operates in two modes:

In both basic and enhanced modes, lint compensates for separate and independent compilation in C by flagging inconsistencies in definition and use across files, including any libraries you have used. In a large project environment where the same function might be used by different programmers in hundreds of separate modules of code, lint can help discover bugs that otherwise might be difficult to find. A function called with one less argument than expected, for example, looks at the stack for a value the call has never pushed, with results correct in one condition, incorrect in another, depending on whatever happens to be in memory at that stack location. By identifying dependencies like this one and dependencies on machine architecture as well, lint can improve the reliability of code run on your machine or someone else’s.

In enhanced mode, lint provides more detailed reporting than in basic mode. In basic mode, lint’s capabilities include:

In enhanced mode, lint can detect these problems: